VS 22 then BA 370 at Heathrow
Washington → London → Toulouse
Timetable, London time
07:20VS 22 from Washington at the gate
06:45BA 370 to Toulouse leaves the gate
23 h 25 apart on the timetable, overnight
BA 370 leaves 23 h 25 after VS 22 arrives on the timetable: more than half a day, so not a connection we count.